diff --git a/ChangeLog.android b/ChangeLog.android
index 96419ebe351..e86ef7a2a77 100644
--- a/ChangeLog.android
+++ b/ChangeLog.android
@@ -7261,7 +7261,7 @@ and those made after the Android port was installed.
 ;; coding: utf-8
 ;; End:
 
-  Copyright (C) 2023 Free Software Foundation, Inc.
+  Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
diff --git a/admin/notes/java b/admin/notes/java
index 6a66d1aa765..891096cd406 100644
--- a/admin/notes/java
+++ b/admin/notes/java
@@ -1,5 +1,5 @@
 Installation instructions for Android
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 See the end of the file for license conditions.
 
 
diff --git a/build-aux/git-hooks/commit-msg-files.awk b/build-aux/git-hooks/commit-msg-files.awk
index 5c9b70a5de5..2fbbd059500 100644
--- a/build-aux/git-hooks/commit-msg-files.awk
+++ b/build-aux/git-hooks/commit-msg-files.awk
@@ -1,6 +1,6 @@
 # Check the file list of GNU Emacs change log entries for each commit SHA.
 
-# Copyright 2023 Free Software Foundation, Inc.
+# Copyright 2023-2024 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/build-aux/git-hooks/post-commit b/build-aux/git-hooks/post-commit
index e02fee48db4..e6b5effc93a 100755
--- a/build-aux/git-hooks/post-commit
+++ b/build-aux/git-hooks/post-commit
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Check the file list of GNU Emacs change log entries after committing.
 
-# Copyright 2023 Free Software Foundation, Inc.
+# Copyright 2023-2024 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/build-aux/git-hooks/pre-push b/build-aux/git-hooks/pre-push
index a342814c1e3..86c81e02d9a 100755
--- a/build-aux/git-hooks/pre-push
+++ b/build-aux/git-hooks/pre-push
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Check the file list of GNU Emacs change log entries before pushing.
 
-# Copyright 2023 Free Software Foundation, Inc.
+# Copyright 2023-2024 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/build-aux/makecounter.sh b/build-aux/makecounter.sh
index 3bebd288031..a63fcbb7c61 100755
--- a/build-aux/makecounter.sh
+++ b/build-aux/makecounter.sh
@@ -2,7 +2,7 @@
 # Generate or update a C file containing an increasing counter
 # variable.
 #
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 #
 # This file is part of GNU Emacs.  GNU Emacs is free software: you can
 # redistribute it and/or modify it under the terms of the GNU General
diff --git a/build-aux/ndk-build-helper-1.mk b/build-aux/ndk-build-helper-1.mk
index 2cde5146301..5681728154c 100644
--- a/build-aux/ndk-build-helper-1.mk
+++ b/build-aux/ndk-build-helper-1.mk
@@ -1,5 +1,5 @@
 # ndk-build-helper-1.mk -- Helper for ndk-build.m4.
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 # This file is part of GNU Emacs.
 
 # GNU Emacs is free software: you can redistribute it and/or modify
diff --git a/build-aux/ndk-build-helper-2.mk b/build-aux/ndk-build-helper-2.mk
index 186f3aec333..1c2409cfd57 100644
--- a/build-aux/ndk-build-helper-2.mk
+++ b/build-aux/ndk-build-helper-2.mk
@@ -1,5 +1,5 @@
 # ndk-build-helper-2.mk -- Helper for ndk-build.m4.
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 # This file is part of GNU Emacs.
 
 # GNU Emacs is free software: you can redistribute it and/or modify
diff --git a/build-aux/ndk-build-helper-3.mk b/build-aux/ndk-build-helper-3.mk
index 4d0358d4f77..e360a347bb4 100644
--- a/build-aux/ndk-build-helper-3.mk
+++ b/build-aux/ndk-build-helper-3.mk
@@ -1,5 +1,5 @@
 # ndk-build-helper-3.mk -- Helper for ndk-build.m4.
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 # This file is part of GNU Emacs.
 
 # GNU Emacs is free software: you can redistribute it and/or modify
diff --git a/build-aux/ndk-build-helper-4.mk b/build-aux/ndk-build-helper-4.mk
index a41679c53af..54f781bdbaa 100644
--- a/build-aux/ndk-build-helper-4.mk
+++ b/build-aux/ndk-build-helper-4.mk
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 # This file is part of GNU Emacs.
 
 # GNU Emacs is free software: you can redistribute it and/or modify
diff --git a/build-aux/ndk-build-helper.mk b/build-aux/ndk-build-helper.mk
index 05f0af76411..521e1b24ce3 100644
--- a/build-aux/ndk-build-helper.mk
+++ b/build-aux/ndk-build-helper.mk
@@ -1,5 +1,5 @@
 # ndk-build-helper.mk -- Helper for ndk-build.m4.
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 # This file is part of GNU Emacs.
 
 # GNU Emacs is free software: you can redistribute it and/or modify
diff --git a/cross/Makefile.in b/cross/Makefile.in
index b66025283aa..6f2250fe02f 100644
--- a/cross/Makefile.in
+++ b/cross/Makefile.in
@@ -1,6 +1,6 @@
 ### @configure_input@
 
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/cross/langinfo.h b/cross/langinfo.h
index b296ba8db80..0edb0082bda 100644
--- a/cross/langinfo.h
+++ b/cross/langinfo.h
@@ -1,6 +1,6 @@
 /* Replacement langinfo.h file for building GNU Emacs on Android.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/cross/ndk-build/Makefile.in b/cross/ndk-build/Makefile.in
index cdf18471ff3..8ba2d356f27 100644
--- a/cross/ndk-build/Makefile.in
+++ b/cross/ndk-build/Makefile.in
@@ -1,6 +1,6 @@
 ### @configure_input@
 
-# Copyright 2023 Free Software Foundation, Inc.
+# Copyright 2023-2024 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/cross/ndk-build/README b/cross/ndk-build/README
index d6cf2908014..84a131443c4 100644
--- a/cross/ndk-build/README
+++ b/cross/ndk-build/README
@@ -1,6 +1,6 @@
 NDK BUILD SYSTEM IMPLEMENTATION
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 See the end of the file for license conditions.
 
 Emacs implements ndk-build itself, because the version that comes with
diff --git a/cross/ndk-build/ndk-build-executable.mk b/cross/ndk-build/ndk-build-executable.mk
index 9591c862b18..4f520074c7f 100644
--- a/cross/ndk-build/ndk-build-executable.mk
+++ b/cross/ndk-build/ndk-build-executable.mk
@@ -1,4 +1,4 @@
-# Copyright 2023 Free Software Foundation, Inc.
+# Copyright 2023-2024 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/cross/ndk-build/ndk-build-shared-library.mk b/cross/ndk-build/ndk-build-shared-library.mk
index d60802da1d0..74c6756a0c1 100644
--- a/cross/ndk-build/ndk-build-shared-library.mk
+++ b/cross/ndk-build/ndk-build-shared-library.mk
@@ -1,4 +1,4 @@
-# Copyright 2023 Free Software Foundation, Inc.
+# Copyright 2023-2024 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/cross/ndk-build/ndk-build-static-library.mk b/cross/ndk-build/ndk-build-static-library.mk
index 98afd864ed6..aba4539f6bb 100644
--- a/cross/ndk-build/ndk-build-static-library.mk
+++ b/cross/ndk-build/ndk-build-static-library.mk
@@ -1,4 +1,4 @@
-# Copyright 2023 Free Software Foundation, Inc.
+# Copyright 2023-2024 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/cross/ndk-build/ndk-build.mk.in b/cross/ndk-build/ndk-build.mk.in
index 57006901721..6c85ff5044e 100644
--- a/cross/ndk-build/ndk-build.mk.in
+++ b/cross/ndk-build/ndk-build.mk.in
@@ -1,6 +1,6 @@
 ### @configure_input@
 
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/cross/ndk-build/ndk-clear-vars.mk b/cross/ndk-build/ndk-clear-vars.mk
index 7309b7bb513..0803522f3d4 100644
--- a/cross/ndk-build/ndk-clear-vars.mk
+++ b/cross/ndk-build/ndk-clear-vars.mk
@@ -1,4 +1,4 @@
-# Copyright 2023 Free Software Foundation, Inc.
+# Copyright 2023-2024 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/cross/ndk-build/ndk-prebuilt-shared-library.mk b/cross/ndk-build/ndk-prebuilt-shared-library.mk
index 2a8260f9851..d63ca4a0c76 100644
--- a/cross/ndk-build/ndk-prebuilt-shared-library.mk
+++ b/cross/ndk-build/ndk-prebuilt-shared-library.mk
@@ -1,6 +1,6 @@
 ### @configure_input@
 
-# Copyright 2023 Free Software Foundation, Inc.
+# Copyright 2023-2024 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/cross/ndk-build/ndk-prebuilt-static-library.mk b/cross/ndk-build/ndk-prebuilt-static-library.mk
index 9230f690bb1..94c98435d5f 100644
--- a/cross/ndk-build/ndk-prebuilt-static-library.mk
+++ b/cross/ndk-build/ndk-prebuilt-static-library.mk
@@ -1,6 +1,6 @@
 ### @configure_input@
 
-# Copyright 2023 Free Software Foundation, Inc.
+# Copyright 2023-2024 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/cross/ndk-build/ndk-resolve.mk b/cross/ndk-build/ndk-resolve.mk
index b29a2c6dc39..d3b398bca62 100644
--- a/cross/ndk-build/ndk-resolve.mk
+++ b/cross/ndk-build/ndk-resolve.mk
@@ -1,4 +1,4 @@
-# Copyright 2023 Free Software Foundation, Inc.
+# Copyright 2023-2024 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/cross/verbose.mk.android b/cross/verbose.mk.android
index d41d6b6aac0..958cf237c58 100644
--- a/cross/verbose.mk.android
+++ b/cross/verbose.mk.android
@@ -1,7 +1,7 @@
 ### verbose.mk --- Makefile fragment for GNU Emacs during
 ### cross-compilation.
 
-## Copyright (C) 2023 Free Software Foundation, Inc.
+## Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ## This file is part of GNU Emacs.
 
diff --git a/doc/emacs/android.texi b/doc/emacs/android.texi
index 3b81f5cb43f..0ea96d91492 100644
--- a/doc/emacs/android.texi
+++ b/doc/emacs/android.texi
@@ -1,5 +1,5 @@
 @c This is part of the Emacs manual.
-@c Copyright (C) 2023 Free Software Foundation, Inc.
+@c Copyright (C) 2023--2024 Free Software Foundation, Inc.
 @c See file emacs.texi for copying conditions.
 @node Android
 @appendix Emacs and Android
diff --git a/doc/emacs/input.texi b/doc/emacs/input.texi
index 7f9d37b52de..67679b00e89 100644
--- a/doc/emacs/input.texi
+++ b/doc/emacs/input.texi
@@ -1,5 +1,5 @@
 @c This is part of the Emacs manual.
-@c Copyright (C) 2023 Free Software Foundation, Inc.
+@c Copyright (C) 2023--2024 Free Software Foundation, Inc.
 @c See file emacs.texi for copying conditions.
 @node Other Input
 @section Touchscreen Input and Virtual Keyboards
diff --git a/doc/lang/fr/misc/ses-fr.texi b/doc/lang/fr/misc/ses-fr.texi
index ff49974bd48..e1b9cac5fc3 100644
--- a/doc/lang/fr/misc/ses-fr.texi
+++ b/doc/lang/fr/misc/ses-fr.texi
@@ -15,7 +15,7 @@
 Ce fichier documente @acronym{SES} : le tableur simple d’Emacs (Simple
 Emacs Spreadsheet).
 
-Copyright @copyright{} 2002--2023 Free Software Foundation, Inc.
+Copyright @copyright{} 2002--2024 Free Software Foundation, Inc.
 
 @quotation
 Permission is granted to copy, distribute and/or modify this document
diff --git a/etc/NEWS b/etc/NEWS
index 7ae8529b33a..a6b0beb6ee5 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -1,6 +1,6 @@
 GNU Emacs NEWS -- history of user-visible changes.
 
-Copyright (C) 2022-2023 Free Software Foundation, Inc.
+Copyright (C) 2022-2024 Free Software Foundation, Inc.
 See the end of the file for license conditions.
 
 Please send Emacs bug reports to 'bug-gnu-emacs@gnu.org'.
diff --git a/etc/images/gnus/gnus-pointer.svg b/etc/images/gnus/gnus-pointer.svg
index 67a631cdcf5..590e0f56d89 100644
--- a/etc/images/gnus/gnus-pointer.svg
+++ b/etc/images/gnus/gnus-pointer.svg
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!-- Gnu Emacs Logo
 
-   Copyright (C) 2008-2023 Free Software Foundation, Inc.
+   Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
    Author: Francesc Rocher <f.rocher@member.fsf.org>
 
diff --git a/etc/images/symbols/README b/etc/images/symbols/README
index f69a4ba8760..24429302e63 100644
--- a/etc/images/symbols/README
+++ b/etc/images/symbols/README
@@ -4,7 +4,7 @@ COPYRIGHT AND LICENSE INFORMATION FOR IMAGE FILES
 
 Files: *.svg
 Author: Yuan Fu <casouri@gmail.com>
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 License: GNU General Public License version 3 or later (see COPYING)
 
 How I made these icons: I made them with Figma, and exported them into
diff --git a/etc/themes/modus-operandi-deuteranopia-theme.el b/etc/themes/modus-operandi-deuteranopia-theme.el
index 6a2105a1c4d..4d210b977eb 100644
--- a/etc/themes/modus-operandi-deuteranopia-theme.el
+++ b/etc/themes/modus-operandi-deuteranopia-theme.el
@@ -1,6 +1,6 @@
 ;;; modus-operandi-deuteranopia-theme.el --- Deuteranopia-optimized theme with a white background -*- lexical-binding:t -*-
 
-;; Copyright (C) 2019-2023  Free Software Foundation, Inc.
+;; Copyright (C) 2019-2024 Free Software Foundation, Inc.
 
 ;; Author: Protesilaos Stavrou <info@protesilaos.com>
 ;; Maintainer: Modus-Themes Development <~protesilaos/modus-themes@lists.sr.ht>
diff --git a/etc/themes/modus-operandi-tinted-theme.el b/etc/themes/modus-operandi-tinted-theme.el
index 1ef7af8f165..7e0ad3d7ea8 100644
--- a/etc/themes/modus-operandi-tinted-theme.el
+++ b/etc/themes/modus-operandi-tinted-theme.el
@@ -1,6 +1,6 @@
 ;;; modus-operandi-tinted-theme.el --- Elegant, highly legible theme with a light ocher background -*- lexical-binding:t -*-
 
-;; Copyright (C) 2019-2023  Free Software Foundation, Inc.
+;; Copyright (C) 2019-2024 Free Software Foundation, Inc.
 
 ;; Author: Protesilaos Stavrou <info@protesilaos.com>
 ;; Maintainer: Modus-Themes Development <~protesilaos/modus-themes@lists.sr.ht>
diff --git a/etc/themes/modus-operandi-tritanopia-theme.el b/etc/themes/modus-operandi-tritanopia-theme.el
index b7e9aa99748..968a6526ca3 100644
--- a/etc/themes/modus-operandi-tritanopia-theme.el
+++ b/etc/themes/modus-operandi-tritanopia-theme.el
@@ -1,6 +1,6 @@
 ;;; modus-operandi-tritanopia-theme.el --- Tritanopia-optimized theme with a white background -*- lexical-binding:t -*-
 
-;; Copyright (C) 2019-2023  Free Software Foundation, Inc.
+;; Copyright (C) 2019-2024 Free Software Foundation, Inc.
 
 ;; Author: Protesilaos Stavrou <info@protesilaos.com>
 ;; Maintainer: Modus-Themes Development <~protesilaos/modus-themes@lists.sr.ht>
diff --git a/etc/themes/modus-vivendi-deuteranopia-theme.el b/etc/themes/modus-vivendi-deuteranopia-theme.el
index 6de293ad5bc..62715e20e51 100644
--- a/etc/themes/modus-vivendi-deuteranopia-theme.el
+++ b/etc/themes/modus-vivendi-deuteranopia-theme.el
@@ -1,6 +1,6 @@
 ;;; modus-vivendi-deuteranopia-theme.el --- Deuteranopia-optimized theme with a black background -*- lexical-binding:t -*-
 
-;; Copyright (C) 2019-2023  Free Software Foundation, Inc.
+;; Copyright (C) 2019-2024 Free Software Foundation, Inc.
 
 ;; Author: Protesilaos Stavrou <info@protesilaos.com>
 ;; Maintainer: Modus-Themes Development <~protesilaos/modus-themes@lists.sr.ht>
diff --git a/etc/themes/modus-vivendi-tinted-theme.el b/etc/themes/modus-vivendi-tinted-theme.el
index bf72f88d8e0..025257ef01c 100644
--- a/etc/themes/modus-vivendi-tinted-theme.el
+++ b/etc/themes/modus-vivendi-tinted-theme.el
@@ -1,6 +1,6 @@
 ;;; modus-vivendi-tinted-theme.el --- Elegant, highly legible theme with a night sky background -*- lexical-binding:t -*-
 
-;; Copyright (C) 2019-2023  Free Software Foundation, Inc.
+;; Copyright (C) 2019-2024 Free Software Foundation, Inc.
 
 ;; Author: Protesilaos Stavrou <info@protesilaos.com>
 ;; Maintainer: Modus-Themes Development <~protesilaos/modus-themes@lists.sr.ht>
diff --git a/etc/themes/modus-vivendi-tritanopia-theme.el b/etc/themes/modus-vivendi-tritanopia-theme.el
index d808d0250fc..bfd6d63b844 100644
--- a/etc/themes/modus-vivendi-tritanopia-theme.el
+++ b/etc/themes/modus-vivendi-tritanopia-theme.el
@@ -1,6 +1,6 @@
 ;;; modus-vivendi-tritanopia-theme.el --- Tritanopia-optimized theme with a black background -*- lexical-binding:t -*-
 
-;; Copyright (C) 2019-2023  Free Software Foundation, Inc.
+;; Copyright (C) 2019-2024 Free Software Foundation, Inc.
 
 ;; Author: Protesilaos Stavrou <info@protesilaos.com>
 ;; Maintainer: Modus-Themes Development <~protesilaos/modus-themes@lists.sr.ht>
diff --git a/exec/Makefile.in b/exec/Makefile.in
index 00e59771337..068f59efc75 100644
--- a/exec/Makefile.in
+++ b/exec/Makefile.in
@@ -1,6 +1,6 @@
 ### @configure_input@
 
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/exec/config-mips.m4.in b/exec/config-mips.m4.in
index 72632765bd0..67a14e36b61 100644
--- a/exec/config-mips.m4.in
+++ b/exec/config-mips.m4.in
@@ -1,6 +1,6 @@
 dnl  Assembler templates for MIPS computers.
 dnl
-dnl Copyright (C) 2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2023-2024 Free Software Foundation, Inc.
 dnl
 dnl  This file is part of GNU Emacs.
 dnl
diff --git a/exec/config.guess b/exec/config.guess
index e7a6fe3e6d1..62974adb3dd 100755
--- a/exec/config.guess
+++ b/exec/config.guess
@@ -1,6 +1,6 @@
 #!/usr/bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright 1992-2023 Free Software Foundation, Inc.
+#   Copyright 1992-2024 Free Software Foundation, Inc.
 
 # shellcheck disable=SC2006,SC2268 # see below for rationale
 
diff --git a/exec/config.sub b/exec/config.sub
index a6d99a0f15f..7ab92879f13 100755
--- a/exec/config.sub
+++ b/exec/config.sub
@@ -1,6 +1,6 @@
 #!/usr/bin/sh
 # Configuration validation subroutine script.
-#   Copyright 1992-2023 Free Software Foundation, Inc.
+#   Copyright 1992-2024 Free Software Foundation, Inc.
 
 # shellcheck disable=SC2006,SC2268 # see below for rationale
 
diff --git a/exec/configure.ac b/exec/configure.ac
index 180c200d13d..594e82ce624 100644
--- a/exec/configure.ac
+++ b/exec/configure.ac
@@ -4,7 +4,7 @@ dnl	autoconf
 dnl in the directory containing this script.
 dnl If you changed any AC_DEFINES, also run autoheader.
 dnl
-dnl Copyright (C) 2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2023-2024 Free Software Foundation, Inc.
 dnl
 dnl  This file is part of GNU Emacs.
 dnl
diff --git a/exec/deps.mk b/exec/deps.mk
index 20fcd2dbc5a..2425503ab44 100644
--- a/exec/deps.mk
+++ b/exec/deps.mk
@@ -1,6 +1,6 @@
 ### deps.mk
 
-## Copyright (C) 2023 Free Software Foundation, Inc.
+## Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ## This file is part of GNU Emacs.
 
diff --git a/exec/exec.c b/exec/exec.c
index 231b5b1c46a..254a983f25f 100644
--- a/exec/exec.c
+++ b/exec/exec.c
@@ -1,6 +1,6 @@
 /* Program execution for Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/exec/exec.h b/exec/exec.h
index 8ee74d7ca8b..bed5edc9bab 100644
--- a/exec/exec.h
+++ b/exec/exec.h
@@ -1,6 +1,6 @@
 /* Program execution for Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/exec/exec1.c b/exec/exec1.c
index 6ec4b3ecaae..aaff9a94c62 100644
--- a/exec/exec1.c
+++ b/exec/exec1.c
@@ -1,6 +1,6 @@
 /* Program execution for Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/exec/loader-aarch64.s b/exec/loader-aarch64.s
index da8ec1f4977..0fc9606c62a 100644
--- a/exec/loader-aarch64.s
+++ b/exec/loader-aarch64.s
@@ -1,4 +1,4 @@
-// Copyright (C) 2023 Free Software Foundation, Inc.
+// Copyright (C) 2023-2024 Free Software Foundation, Inc.
 //
 // This file is part of GNU Emacs.
 //
diff --git a/exec/loader-armeabi.s b/exec/loader-armeabi.s
index bee81edb326..5601088262c 100644
--- a/exec/loader-armeabi.s
+++ b/exec/loader-armeabi.s
@@ -1,4 +1,4 @@
-@ Copyright (C) 2023 Free Software Foundation, Inc.
+@ Copyright (C) 2023-2024 Free Software Foundation, Inc.
 @
 @ This file is part of GNU Emacs.
 @
diff --git a/exec/loader-mips64el.s b/exec/loader-mips64el.s
index c340824a6f0..0ff140f9f31 100644
--- a/exec/loader-mips64el.s
+++ b/exec/loader-mips64el.s
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 #
 # This file is part of GNU Emacs.
 #
diff --git a/exec/loader-mipsel.s b/exec/loader-mipsel.s
index e1ae68af0ca..f1cdcfcf149 100644
--- a/exec/loader-mipsel.s
+++ b/exec/loader-mipsel.s
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 #
 # This file is part of GNU Emacs.
 #
diff --git a/exec/loader-x86.s b/exec/loader-x86.s
index 6329e7f33b1..216bc88f976 100644
--- a/exec/loader-x86.s
+++ b/exec/loader-x86.s
@@ -1,7 +1,7 @@
 define(`CC', `
 dnl')
 
-CC Copyright (C) 2023 Free Software Foundation, Inc.
+CC Copyright (C) 2023-2024 Free Software Foundation, Inc.
 CC
 CC This file is part of GNU Emacs.
 CC
diff --git a/exec/loader-x86_64.s b/exec/loader-x86_64.s
index acba609b202..2ef779e4504 100644
--- a/exec/loader-x86_64.s
+++ b/exec/loader-x86_64.s
@@ -1,7 +1,7 @@
 define(`CC', `
 dnl')
 
-CC Copyright (C) 2023 Free Software Foundation, Inc.
+CC Copyright (C) 2023-2024 Free Software Foundation, Inc.
 CC
 CC This file is part of GNU Emacs.
 CC
diff --git a/exec/mipsel-user.h b/exec/mipsel-user.h
index 9c5a445c9aa..04f4a2a5089 100644
--- a/exec/mipsel-user.h
+++ b/exec/mipsel-user.h
@@ -1,6 +1,6 @@
 /* Program execution for Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/exec/mipsfpu.c b/exec/mipsfpu.c
index f5fa5720804..5fd81fb9237 100644
--- a/exec/mipsfpu.c
+++ b/exec/mipsfpu.c
@@ -1,6 +1,6 @@
 /* Program execution for Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/exec/mipsfpu.h b/exec/mipsfpu.h
index 2315db59e93..1669102942b 100644
--- a/exec/mipsfpu.h
+++ b/exec/mipsfpu.h
@@ -1,6 +1,6 @@
 /* Program execution for Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/exec/test.c b/exec/test.c
index fa2a848837c..7185c958b87 100644
--- a/exec/test.c
+++ b/exec/test.c
@@ -1,6 +1,6 @@
 /* Program execution for Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/exec/trace.c b/exec/trace.c
index ccf498f39fe..8e190c94f79 100644
--- a/exec/trace.c
+++ b/exec/trace.c
@@ -1,6 +1,6 @@
 /* Program execution for Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/AndroidManifest.xml.in b/java/AndroidManifest.xml.in
index 18afe945df6..b18446bece0 100644
--- a/java/AndroidManifest.xml.in
+++ b/java/AndroidManifest.xml.in
@@ -1,6 +1,6 @@
 <!-- @configure_input@
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/INSTALL b/java/INSTALL
index 60171ada57c..175ff2826b2 100644
--- a/java/INSTALL
+++ b/java/INSTALL
@@ -1,5 +1,5 @@
 Installation instructions for Android
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 See the end of the file for license conditions.
 
 Please read the entirety of this file before attempting to build Emacs
diff --git a/java/Makefile.in b/java/Makefile.in
index 87683f12544..60bd2ea086b 100644
--- a/java/Makefile.in
+++ b/java/Makefile.in
@@ -1,6 +1,6 @@
 ### @configure_input@
 
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
 
diff --git a/java/debug.sh b/java/debug.sh
index d6e439bec90..8fc03d014cf 100755
--- a/java/debug.sh
+++ b/java/debug.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 ### Run Emacs under GDB or JDB on Android.
 
-## Copyright (C) 2023 Free Software Foundation, Inc.
+## Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ## This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsActivity.java b/java/org/gnu/emacs/EmacsActivity.java
index f9aa261e355..3237f650240 100644
--- a/java/org/gnu/emacs/EmacsActivity.java
+++ b/java/org/gnu/emacs/EmacsActivity.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsApplication.java b/java/org/gnu/emacs/EmacsApplication.java
index d70f16346e5..b5f8e688b65 100644
--- a/java/org/gnu/emacs/EmacsApplication.java
+++ b/java/org/gnu/emacs/EmacsApplication.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsClipboard.java b/java/org/gnu/emacs/EmacsClipboard.java
index 5cd48af6e3a..9db436ca1e2 100644
--- a/java/org/gnu/emacs/EmacsClipboard.java
+++ b/java/org/gnu/emacs/EmacsClipboard.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsContextMenu.java b/java/org/gnu/emacs/EmacsContextMenu.java
index b6c63c3cbe1..17e6033377d 100644
--- a/java/org/gnu/emacs/EmacsContextMenu.java
+++ b/java/org/gnu/emacs/EmacsContextMenu.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsCursor.java b/java/org/gnu/emacs/EmacsCursor.java
index c14c6f2a11b..1049c03d7da 100644
--- a/java/org/gnu/emacs/EmacsCursor.java
+++ b/java/org/gnu/emacs/EmacsCursor.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsDesktopNotification.java b/java/org/gnu/emacs/EmacsDesktopNotification.java
index 4a6bbf7a606..fb35e3fea1f 100644
--- a/java/org/gnu/emacs/EmacsDesktopNotification.java
+++ b/java/org/gnu/emacs/EmacsDesktopNotification.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsDialog.java b/java/org/gnu/emacs/EmacsDialog.java
index 7552b16b370..0d5b650f7d0 100644
--- a/java/org/gnu/emacs/EmacsDialog.java
+++ b/java/org/gnu/emacs/EmacsDialog.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsDialogButtonLayout.java b/java/org/gnu/emacs/EmacsDialogButtonLayout.java
index fd8d63d81d3..da57d1c4404 100644
--- a/java/org/gnu/emacs/EmacsDialogButtonLayout.java
+++ b/java/org/gnu/emacs/EmacsDialogButtonLayout.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsDirectoryEntry.java b/java/org/gnu/emacs/EmacsDirectoryEntry.java
index 75c52e48002..4a7526dddc6 100644
--- a/java/org/gnu/emacs/EmacsDirectoryEntry.java
+++ b/java/org/gnu/emacs/EmacsDirectoryEntry.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsDocumentsProvider.java b/java/org/gnu/emacs/EmacsDocumentsProvider.java
index 96dc2bc6e14..7c5de9e0e14 100644
--- a/java/org/gnu/emacs/EmacsDocumentsProvider.java
+++ b/java/org/gnu/emacs/EmacsDocumentsProvider.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsDrawLine.java b/java/org/gnu/emacs/EmacsDrawLine.java
index be4da54c075..61b7d54d63c 100644
--- a/java/org/gnu/emacs/EmacsDrawLine.java
+++ b/java/org/gnu/emacs/EmacsDrawLine.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsDrawPoint.java b/java/org/gnu/emacs/EmacsDrawPoint.java
index 6a1cb744d60..859c590b1d0 100644
--- a/java/org/gnu/emacs/EmacsDrawPoint.java
+++ b/java/org/gnu/emacs/EmacsDrawPoint.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsDrawRectangle.java b/java/org/gnu/emacs/EmacsDrawRectangle.java
index ee9110daaaf..a8f68c6530a 100644
--- a/java/org/gnu/emacs/EmacsDrawRectangle.java
+++ b/java/org/gnu/emacs/EmacsDrawRectangle.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsDrawable.java b/java/org/gnu/emacs/EmacsDrawable.java
index 3ed72a836e5..a75a8f7017d 100644
--- a/java/org/gnu/emacs/EmacsDrawable.java
+++ b/java/org/gnu/emacs/EmacsDrawable.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsFillPolygon.java b/java/org/gnu/emacs/EmacsFillPolygon.java
index 4ae3882cab4..6bc8333984a 100644
--- a/java/org/gnu/emacs/EmacsFillPolygon.java
+++ b/java/org/gnu/emacs/EmacsFillPolygon.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsFillRectangle.java b/java/org/gnu/emacs/EmacsFillRectangle.java
index 461fd3c639c..ca87c06c014 100644
--- a/java/org/gnu/emacs/EmacsFillRectangle.java
+++ b/java/org/gnu/emacs/EmacsFillRectangle.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsFontDriver.java b/java/org/gnu/emacs/EmacsFontDriver.java
index 798c3cfb032..09d0377bd5e 100644
--- a/java/org/gnu/emacs/EmacsFontDriver.java
+++ b/java/org/gnu/emacs/EmacsFontDriver.java
@@ -1,6 +1,6 @@
 /* Font backend for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsGC.java b/java/org/gnu/emacs/EmacsGC.java
index a7467cb9bd0..e45f0666fe2 100644
--- a/java/org/gnu/emacs/EmacsGC.java
+++ b/java/org/gnu/emacs/EmacsGC.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsHandleObject.java b/java/org/gnu/emacs/EmacsHandleObject.java
index 5b889895337..8534f08519c 100644
--- a/java/org/gnu/emacs/EmacsHandleObject.java
+++ b/java/org/gnu/emacs/EmacsHandleObject.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsHolder.java b/java/org/gnu/emacs/EmacsHolder.java
index 6cd48ba57ce..6d093d27e06 100644
--- a/java/org/gnu/emacs/EmacsHolder.java
+++ b/java/org/gnu/emacs/EmacsHolder.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsInputConnection.java b/java/org/gnu/emacs/EmacsInputConnection.java
index 4b493dcc456..054eca66cf3 100644
--- a/java/org/gnu/emacs/EmacsInputConnection.java
+++ b/java/org/gnu/emacs/EmacsInputConnection.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsLauncherPreferencesActivity.java b/java/org/gnu/emacs/EmacsLauncherPreferencesActivity.java
index 1e1e5d97631..21a43b261a0 100644
--- a/java/org/gnu/emacs/EmacsLauncherPreferencesActivity.java
+++ b/java/org/gnu/emacs/EmacsLauncherPreferencesActivity.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsMultitaskActivity.java b/java/org/gnu/emacs/EmacsMultitaskActivity.java
index b1c48f03fba..7229e34496e 100644
--- a/java/org/gnu/emacs/EmacsMultitaskActivity.java
+++ b/java/org/gnu/emacs/EmacsMultitaskActivity.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsNative.java b/java/org/gnu/emacs/EmacsNative.java
index 78176dd0e47..cd0e70923d1 100644
--- a/java/org/gnu/emacs/EmacsNative.java
+++ b/java/org/gnu/emacs/EmacsNative.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsNoninteractive.java b/java/org/gnu/emacs/EmacsNoninteractive.java
index 1c7513e1cc9..ba23399cb3e 100644
--- a/java/org/gnu/emacs/EmacsNoninteractive.java
+++ b/java/org/gnu/emacs/EmacsNoninteractive.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsOpenActivity.java b/java/org/gnu/emacs/EmacsOpenActivity.java
index b4fd68146be..9ae1bf353dd 100644
--- a/java/org/gnu/emacs/EmacsOpenActivity.java
+++ b/java/org/gnu/emacs/EmacsOpenActivity.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsPixmap.java b/java/org/gnu/emacs/EmacsPixmap.java
index fa6e61c15a5..c621e2de3c5 100644
--- a/java/org/gnu/emacs/EmacsPixmap.java
+++ b/java/org/gnu/emacs/EmacsPixmap.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsPreferencesActivity.java b/java/org/gnu/emacs/EmacsPreferencesActivity.java
index 7e67cc3679b..330adbea223 100644
--- a/java/org/gnu/emacs/EmacsPreferencesActivity.java
+++ b/java/org/gnu/emacs/EmacsPreferencesActivity.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsSafThread.java b/java/org/gnu/emacs/EmacsSafThread.java
index 333c3a29790..14c3f222833 100644
--- a/java/org/gnu/emacs/EmacsSafThread.java
+++ b/java/org/gnu/emacs/EmacsSafThread.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsSdk11Clipboard.java b/java/org/gnu/emacs/EmacsSdk11Clipboard.java
index b068a89831e..850bb6c8deb 100644
--- a/java/org/gnu/emacs/EmacsSdk11Clipboard.java
+++ b/java/org/gnu/emacs/EmacsSdk11Clipboard.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsSdk23FontDriver.java b/java/org/gnu/emacs/EmacsSdk23FontDriver.java
index 0752d8064ac..91153feaa11 100644
--- a/java/org/gnu/emacs/EmacsSdk23FontDriver.java
+++ b/java/org/gnu/emacs/EmacsSdk23FontDriver.java
@@ -1,6 +1,6 @@
 /* Font backend for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsSdk7FontDriver.java b/java/org/gnu/emacs/EmacsSdk7FontDriver.java
index 33d6ee34fa4..49d9514c104 100644
--- a/java/org/gnu/emacs/EmacsSdk7FontDriver.java
+++ b/java/org/gnu/emacs/EmacsSdk7FontDriver.java
@@ -1,6 +1,6 @@
 /* Font backend for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsSdk8Clipboard.java b/java/org/gnu/emacs/EmacsSdk8Clipboard.java
index 9622641810f..418f55c12c1 100644
--- a/java/org/gnu/emacs/EmacsSdk8Clipboard.java
+++ b/java/org/gnu/emacs/EmacsSdk8Clipboard.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsService.java b/java/org/gnu/emacs/EmacsService.java
index 7934d6f9cd3..5cb1ceca0aa 100644
--- a/java/org/gnu/emacs/EmacsService.java
+++ b/java/org/gnu/emacs/EmacsService.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsSurfaceView.java b/java/org/gnu/emacs/EmacsSurfaceView.java
index c47696b35c0..e5601041538 100644
--- a/java/org/gnu/emacs/EmacsSurfaceView.java
+++ b/java/org/gnu/emacs/EmacsSurfaceView.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsThread.java b/java/org/gnu/emacs/EmacsThread.java
index 5307015b46f..4adcb98b2f7 100644
--- a/java/org/gnu/emacs/EmacsThread.java
+++ b/java/org/gnu/emacs/EmacsThread.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsView.java b/java/org/gnu/emacs/EmacsView.java
index 5795f476f63..136d8abc713 100644
--- a/java/org/gnu/emacs/EmacsView.java
+++ b/java/org/gnu/emacs/EmacsView.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsWindow.java b/java/org/gnu/emacs/EmacsWindow.java
index 0dc4a274731..207bd22c538 100644
--- a/java/org/gnu/emacs/EmacsWindow.java
+++ b/java/org/gnu/emacs/EmacsWindow.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/org/gnu/emacs/EmacsWindowAttachmentManager.java b/java/org/gnu/emacs/EmacsWindowAttachmentManager.java
index 4ba5b35aacf..18bdb6dbf60 100644
--- a/java/org/gnu/emacs/EmacsWindowAttachmentManager.java
+++ b/java/org/gnu/emacs/EmacsWindowAttachmentManager.java
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/res/drawable/emacs_background.xml b/java/res/drawable/emacs_background.xml
index c29e0635f7d..448ca48d1cb 100644
--- a/java/res/drawable/emacs_background.xml
+++ b/java/res/drawable/emacs_background.xml
@@ -1,6 +1,6 @@
 <!-- Adaptive icon for Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/res/drawable/emacs_foreground.xml b/java/res/drawable/emacs_foreground.xml
index 68a4631f17b..d4d71f8e29a 100644
--- a/java/res/drawable/emacs_foreground.xml
+++ b/java/res/drawable/emacs_foreground.xml
@@ -1,6 +1,6 @@
 <!-- Adaptive icon for Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/res/layout/sdk8_notifications_view.xml b/java/res/layout/sdk8_notifications_view.xml
index 0572f350cff..a6a441b098f 100644
--- a/java/res/layout/sdk8_notifications_view.xml
+++ b/java/res/layout/sdk8_notifications_view.xml
@@ -1,6 +1,6 @@
 <!-- Notification content widget tree for GNU Emacs on Android 2.3.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/res/mipmap-v26/emacs_icon.xml b/java/res/mipmap-v26/emacs_icon.xml
index 9f070e3f3d2..f0a8df92846 100644
--- a/java/res/mipmap-v26/emacs_icon.xml
+++ b/java/res/mipmap-v26/emacs_icon.xml
@@ -1,6 +1,6 @@
 <!-- Adaptive icon for Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/res/values-v11/style.xml b/java/res/values-v11/style.xml
index b114758bf0d..f55dd378e39 100644
--- a/java/res/values-v11/style.xml
+++ b/java/res/values-v11/style.xml
@@ -1,6 +1,6 @@
 <!-- Style resources for GNU Emacs on Android.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/res/values-v14/style.xml b/java/res/values-v14/style.xml
index 2cb54dc301b..aa19067d4ec 100644
--- a/java/res/values-v14/style.xml
+++ b/java/res/values-v14/style.xml
@@ -1,6 +1,6 @@
 <!-- Style resources for GNU Emacs on Android.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/res/values-v19/bool.xml b/java/res/values-v19/bool.xml
index a4e3a87ae71..fa0f8b5c486 100644
--- a/java/res/values-v19/bool.xml
+++ b/java/res/values-v19/bool.xml
@@ -1,6 +1,6 @@
 <!-- Boolean resources for GNU Emacs on Android 4.4 or later.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/res/values-v24/bool.xml b/java/res/values-v24/bool.xml
index 37f07992995..aeab90a0da0 100644
--- a/java/res/values-v24/bool.xml
+++ b/java/res/values-v24/bool.xml
@@ -1,6 +1,6 @@
 <!-- Boolean resources for GNU Emacs on Android.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/res/values-v29/style.xml b/java/res/values-v29/style.xml
index ec7b8d14554..4de416c645e 100644
--- a/java/res/values-v29/style.xml
+++ b/java/res/values-v29/style.xml
@@ -1,6 +1,6 @@
 <!-- Style resources for GNU Emacs on Android.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/res/values/bool.xml b/java/res/values/bool.xml
index 2b253824e29..f7a7528bead 100644
--- a/java/res/values/bool.xml
+++ b/java/res/values/bool.xml
@@ -1,6 +1,6 @@
 <!-- Boolean resources for GNU Emacs on Android.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/res/values/strings.xml b/java/res/values/strings.xml
index 0bf1ef0ac9b..f858b44fe4b 100644
--- a/java/res/values/strings.xml
+++ b/java/res/values/strings.xml
@@ -1,6 +1,6 @@
 <!-- String resources used by GNU Emacs on Android.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/res/values/style.xml b/java/res/values/style.xml
index 498e844fda0..64f2f68aea9 100644
--- a/java/res/values/style.xml
+++ b/java/res/values/style.xml
@@ -1,6 +1,6 @@
 <!-- Style resources for GNU Emacs on Android.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/java/res/xml/preferences.xml b/java/res/xml/preferences.xml
index d52d28816e5..8ff93910446 100644
--- a/java/res/xml/preferences.xml
+++ b/java/res/xml/preferences.xml
@@ -1,6 +1,6 @@
 <!-- Descriptions for the preferences screen for GNU Emacs on Android.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/lib-src/asset-directory-tool.c b/lib-src/asset-directory-tool.c
index 99c954a3922..31735586193 100644
--- a/lib-src/asset-directory-tool.c
+++ b/lib-src/asset-directory-tool.c
@@ -1,6 +1,6 @@
 /* Android asset directory tool.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/lib/boot-time-aux.h b/lib/boot-time-aux.h
index e59a0fd03c7..a7babf6dc64 100644
--- a/lib/boot-time-aux.h
+++ b/lib/boot-time-aux.h
@@ -1,5 +1,5 @@
 /* Auxiliary functions for determining the time when the machine last booted.
-   Copyright (C) 2023 Free Software Foundation, Inc.
+   Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published
diff --git a/lib/boot-time.c b/lib/boot-time.c
index fe5b5b88c8e..f560914962b 100644
--- a/lib/boot-time.c
+++ b/lib/boot-time.c
@@ -1,5 +1,5 @@
 /* Determine the time when the machine last booted.
-   Copyright (C) 2023 Free Software Foundation, Inc.
+   Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published
diff --git a/lib/boot-time.h b/lib/boot-time.h
index 401e854adbb..99684323ec6 100644
--- a/lib/boot-time.h
+++ b/lib/boot-time.h
@@ -1,5 +1,5 @@
 /* Determine the time when the machine last booted.
-   Copyright (C) 2023 Free Software Foundation, Inc.
+   Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published
diff --git a/lib/careadlinkat.c b/lib/careadlinkat.c
index 49c92dcc196..9d77aa7067a 100644
--- a/lib/careadlinkat.c
+++ b/lib/careadlinkat.c
@@ -1,7 +1,7 @@
 /* Read symbolic links into a buffer without size limitation, relative to fd.
 
-   Copyright (C) 2001, 2003-2004, 2007, 2009-2023 Free Software Foundation,
-   Inc.
+   Copyright (C) 2001, 2003-2004, 2007, 2009-2024 Free Software
+   Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/diffseq.h b/lib/diffseq.h
index 3f85ab2ec41..7f8fa0bc6d3 100644
--- a/lib/diffseq.h
+++ b/lib/diffseq.h
@@ -1,7 +1,7 @@
 /* Analyze differences between two vectors.
 
-   Copyright (C) 1988-1989, 1992-1995, 2001-2004, 2006-2023 Free Software
-   Foundation, Inc.
+   Copyright (C) 1988-1989, 1992-1995, 2001-2004, 2006-2024 Free
+   Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/lib/dirent-private.h b/lib/dirent-private.h
index 012b6837198..335fbc351a5 100644
--- a/lib/dirent-private.h
+++ b/lib/dirent-private.h
@@ -1,5 +1,5 @@
 /* Private details of the DIR type.
-   Copyright (C) 2011-2023 Free Software Foundation, Inc.
+   Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/filemode.h b/lib/filemode.h
index 3e1d9903eac..bb601c11d3f 100644
--- a/lib/filemode.h
+++ b/lib/filemode.h
@@ -1,7 +1,7 @@
 /* Make a string describing file modes.
 
-   Copyright (C) 1998-1999, 2003, 2006, 2009-2023 Free Software Foundation,
-   Inc.
+   Copyright (C) 1998-1999, 2003, 2006, 2009-2024 Free Software
+   Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/lib/fpending.c b/lib/fpending.c
index e57155e586e..8d90bdee51b 100644
--- a/lib/fpending.c
+++ b/lib/fpending.c
@@ -1,6 +1,6 @@
 /* fpending.c -- return the number of pending output bytes on a stream
-   Copyright (C) 2000, 2004, 2006-2007, 2009-2023 Free Software Foundation,
-   Inc.
+   Copyright (C) 2000, 2004, 2006-2007, 2009-2024 Free Software
+   Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/lib/fpending.h b/lib/fpending.h
index 1604ca0b7af..15122915254 100644
--- a/lib/fpending.h
+++ b/lib/fpending.h
@@ -1,7 +1,7 @@
 /* Declare __fpending.
 
-   Copyright (C) 2000, 2003, 2005-2006, 2009-2023 Free Software Foundation,
-   Inc.
+   Copyright (C) 2000, 2003, 2005-2006, 2009-2024 Free Software
+   Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/lib/fsusage.c b/lib/fsusage.c
index f6f4b1c35fd..d99a02f01f3 100644
--- a/lib/fsusage.c
+++ b/lib/fsusage.c
@@ -1,7 +1,7 @@
 /* fsusage.c -- return space usage of mounted file systems
 
-   Copyright (C) 1991-1992, 1996, 1998-1999, 2002-2006, 2009-2023 Free Software
-   Foundation, Inc.
+   Copyright (C) 1991-1992, 1996, 1998-1999, 2002-2006, 2009-2024 Free
+   Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/getdelim.c b/lib/getdelim.c
index e414df648f6..58063b156e7 100644
--- a/lib/getdelim.c
+++ b/lib/getdelim.c
@@ -1,5 +1,5 @@
 /* getdelim.c --- Implementation of replacement getdelim function.
-   Copyright (C) 1994, 1996-1998, 2001, 2003, 2005-2023 Free Software
+   Copyright (C) 1994, 1996-1998, 2001, 2003, 2005-2024 Free Software
    Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/getline.c b/lib/getline.c
index 85f16ab8bac..2d03b64689e 100644
--- a/lib/getline.c
+++ b/lib/getline.c
@@ -1,5 +1,5 @@
 /* getline.c --- Implementation of replacement getline function.
-   Copyright (C) 2005-2007, 2009-2023 Free Software Foundation, Inc.
+   Copyright (C) 2005-2007, 2009-2024 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/getloadavg.c b/lib/getloadavg.c
index 59b53e79980..7f0a236c870 100644
--- a/lib/getloadavg.c
+++ b/lib/getloadavg.c
@@ -1,7 +1,7 @@
 /* Get the system load averages.
 
-   Copyright (C) 1985-1989, 1991-1995, 1997, 1999-2000, 2003-2023 Free Software
-   Foundation, Inc.
+   Copyright (C) 1985-1989, 1991-1995, 1997, 1999-2000, 2003-2024 Free
+   Software Foundation, Inc.
 
    NOTE: The canonical source of this file is maintained with gnulib.
    Bugs can be reported to bug-gnulib@gnu.org.
diff --git a/lib/gettext.h b/lib/gettext.h
index d0462c47e17..970032306e5 100644
--- a/lib/gettext.h
+++ b/lib/gettext.h
@@ -1,6 +1,6 @@
 /* Convenience header for conditional use of GNU <libintl.h>.
-   Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009-2023 Free Software
-   Foundation, Inc.
+   Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009-2024 Free
+   Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/group-member.c b/lib/group-member.c
index 96a09f94a8f..300d58bdbaa 100644
--- a/lib/group-member.c
+++ b/lib/group-member.c
@@ -1,7 +1,7 @@
 /* group-member.c -- determine whether group id is in calling user's group list
 
-   Copyright (C) 1994, 1997-1998, 2003, 2005-2006, 2009-2023 Free Software
-   Foundation, Inc.
+   Copyright (C) 1994, 1997-1998, 2003, 2005-2006, 2009-2024 Free
+   Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/md5-stream.c b/lib/md5-stream.c
index ba76792cbbe..ca82b067e42 100644
--- a/lib/md5-stream.c
+++ b/lib/md5-stream.c
@@ -1,7 +1,7 @@
 /* Functions to compute MD5 message digest of files or memory blocks.
    according to the definition of MD5 in RFC 1321 from April 1992.
-   Copyright (C) 1995-1997, 1999-2001, 2005-2006, 2008-2023 Free Software
-   Foundation, Inc.
+   Copyright (C) 1995-1997, 1999-2001, 2005-2006, 2008-2024 Free
+   Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/md5.c b/lib/md5.c
index 4a6accf28ff..1818216a4b9 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -1,7 +1,7 @@
 /* Functions to compute MD5 message digest of files or memory blocks.
    according to the definition of MD5 in RFC 1321 from April 1992.
-   Copyright (C) 1995-1997, 1999-2001, 2005-2006, 2008-2023 Free Software
-   Foundation, Inc.
+   Copyright (C) 1995-1997, 1999-2001, 2005-2006, 2008-2024 Free
+   Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/md5.h b/lib/md5.h
index 92dc6038988..99f56ef0eec 100644
--- a/lib/md5.h
+++ b/lib/md5.h
@@ -1,7 +1,7 @@
 /* Declaration of functions and data types used for MD5 sum computing
    library functions.
-   Copyright (C) 1995-1997, 1999-2001, 2004-2006, 2008-2023 Free Software
-   Foundation, Inc.
+   Copyright (C) 1995-1997, 1999-2001, 2004-2006, 2008-2024 Free
+   Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/memmem.c b/lib/memmem.c
index c0b48c1b25d..6fbc36e6654 100644
--- a/lib/memmem.c
+++ b/lib/memmem.c
@@ -1,5 +1,5 @@
-/* Copyright (C) 1991-1994, 1996-1998, 2000, 2004, 2007-2023 Free Software
-   Foundation, Inc.
+/* Copyright (C) 1991-1994, 1996-1998, 2000, 2004, 2007-2024 Free
+   Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lib/memrchr.c b/lib/memrchr.c
index c5b1fe8b2e3..025869b6022 100644
--- a/lib/memrchr.c
+++ b/lib/memrchr.c
@@ -1,7 +1,7 @@
 /* memrchr -- find the last occurrence of a byte in a memory block
 
-   Copyright (C) 1991, 1993, 1996-1997, 1999-2000, 2003-2023 Free Software
-   Foundation, Inc.
+   Copyright (C) 1991, 1993, 1996-1997, 1999-2000, 2003-2024 Free
+   Software Foundation, Inc.
 
    Based on strlen implementation by Torbjorn Granlund (tege@sics.se),
    with help from Dan Sahlin (dan@sics.se) and
diff --git a/lib/memset_explicit.c b/lib/memset_explicit.c
index 6d21a5e8797..cf6cc647847 100644
--- a/lib/memset_explicit.c
+++ b/lib/memset_explicit.c
@@ -1,5 +1,5 @@
 /* Erase sensitive data from memory.
-   Copyright 2022-2023 Free Software Foundation, Inc.
+   Copyright 2022-2024 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/readutmp.h b/lib/readutmp.h
index fa30fa9a004..b62eb3beaa1 100644
--- a/lib/readutmp.h
+++ b/lib/readutmp.h
@@ -1,6 +1,6 @@
 /* Declarations for GNU's read utmp module.
 
-   Copyright (C) 1992-2007, 2009-2023 Free Software Foundation, Inc.
+   Copyright (C) 1992-2007, 2009-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/lib/save-cwd.h b/lib/save-cwd.h
index d089b0e2145..79900ee0b08 100644
--- a/lib/save-cwd.h
+++ b/lib/save-cwd.h
@@ -1,7 +1,7 @@
 /* Save and restore current working directory.
 
-   Copyright (C) 1995, 1997-1998, 2003, 2009-2023 Free Software Foundation,
-   Inc.
+   Copyright (C) 1995, 1997-1998, 2003, 2009-2024 Free Software
+   Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/lib/strtoimax.c b/lib/strtoimax.c
index f7977e28e64..be6cd1fb7dd 100644
--- a/lib/strtoimax.c
+++ b/lib/strtoimax.c
@@ -1,7 +1,7 @@
 /* Convert string representation of a number into an intmax_t value.
 
-   Copyright (C) 1999, 2001-2004, 2006, 2009-2023 Free Software Foundation,
-   Inc.
+   Copyright (C) 1999, 2001-2004, 2006, 2009-2024 Free Software
+   Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
diff --git a/lib/strtol.c b/lib/strtol.c
index b93483dca49..b0e7c358800 100644
--- a/lib/strtol.c
+++ b/lib/strtol.c
@@ -1,7 +1,7 @@
 /* Convert string representation of a number into an integer value.
 
-   Copyright (C) 1991-1992, 1994-1999, 2003, 2005-2007, 2009-2023 Free Software
-   Foundation, Inc.
+   Copyright (C) 1991-1992, 1994-1999, 2003, 2005-2007, 2009-2024 Free
+   Software Foundation, Inc.
 
    NOTE: The canonical source of this file is maintained with the GNU C
    Library.  Bugs can be reported to bug-glibc@gnu.org.
diff --git a/lib/strtoll.c b/lib/strtoll.c
index 9fdfa19b220..840a03b11e8 100644
--- a/lib/strtoll.c
+++ b/lib/strtoll.c
@@ -1,6 +1,6 @@
 /* Function to parse a 'long long int' from text.
-   Copyright (C) 1995-1997, 1999, 2001, 2009-2023 Free Software Foundation,
-   Inc.
+   Copyright (C) 1995-1997, 1999, 2001, 2009-2024 Free Software
+   Foundation, Inc.
    This file is part of the GNU C Library.
 
    This file is free software: you can redistribute it and/or modify
diff --git a/lisp/completion-preview.el b/lisp/completion-preview.el
index 2ed2e5dd001..da4afb8f66a 100644
--- a/lisp/completion-preview.el
+++ b/lisp/completion-preview.el
@@ -1,6 +1,6 @@
 ;;; completion-preview.el --- Preview completion with inline overlay  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Author: Eshel Yaron <me@eshelyaron.com>
 ;; Maintainer: Eshel Yaron <me@eshelyaron.com>
diff --git a/lisp/emacs-lisp/comp-common.el b/lisp/emacs-lisp/comp-common.el
index b7a685223ed..6ba9664ea5c 100644
--- a/lisp/emacs-lisp/comp-common.el
+++ b/lisp/emacs-lisp/comp-common.el
@@ -1,6 +1,6 @@
 ;;; comp-common.el --- common code -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Author: Andrea Corallo <acorallo@gnu.org>
 ;; Keywords: lisp
diff --git a/lisp/emacs-lisp/comp-run.el b/lisp/emacs-lisp/comp-run.el
index 4b1d2451a4e..5d1a193269d 100644
--- a/lisp/emacs-lisp/comp-run.el
+++ b/lisp/emacs-lisp/comp-run.el
@@ -1,6 +1,6 @@
 ;;; comp-runtime.el --- runtime Lisp native compiler code  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Author: Andrea Corallo <acorallo@gnu.org>
 ;; Keywords: lisp
diff --git a/lisp/emacs-lisp/ert-font-lock.el b/lisp/emacs-lisp/ert-font-lock.el
index 8bde83bf278..29114712f92 100644
--- a/lisp/emacs-lisp/ert-font-lock.el
+++ b/lisp/emacs-lisp/ert-font-lock.el
@@ -1,6 +1,6 @@
 ;;; ert-font-lock.el --- ERT Font Lock   -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Author: Vladimir Kazanov
 ;; Keywords: lisp, tools
diff --git a/lisp/erc/erc-nicks.el b/lisp/erc/erc-nicks.el
index b46c5d43cd7..64f9ec42783 100644
--- a/lisp/erc/erc-nicks.el
+++ b/lisp/erc/erc-nicks.el
@@ -1,6 +1,6 @@
 ;;; erc-nicks.el -- Nick colors for ERC  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Author: David Leatherman <leathekd@gmail.com>
 ;;         Andy Stewart <lazycat.manatee@gmail.com>
diff --git a/lisp/indent-aux.el b/lisp/indent-aux.el
index ed41d4926f7..edcc6ffc22d 100644
--- a/lisp/indent-aux.el
+++ b/lisp/indent-aux.el
@@ -1,6 +1,6 @@
 ;;; indent-aux.el --- Autoloaded indentation commands for Emacs  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Maintainer: emacs-devel@gnu.org
 ;; Package: emacs
diff --git a/lisp/leim/quail/pakistan.el b/lisp/leim/quail/pakistan.el
index ff9257722e0..7cde2fde3aa 100644
--- a/lisp/leim/quail/pakistan.el
+++ b/lisp/leim/quail/pakistan.el
@@ -1,6 +1,6 @@
 ;;; pakistan.el --- Input methods for some languages from Pakistan -*- lexical-binding: t; -*-
 ;;
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Author: Rahguzar <rahguzar@zohomail.eu>
 ;; Keywords: convenience, multilingual, input method, Urdu, Balochi, Pashto, Sindhi, Hindko, Brahui
diff --git a/lisp/net/tramp-message.el b/lisp/net/tramp-message.el
index e05357f1f4f..96071e626a5 100644
--- a/lisp/net/tramp-message.el
+++ b/lisp/net/tramp-message.el
@@ -1,6 +1,6 @@
 ;;; tramp-message.el --- Tramp messages  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Author: Michael Albinus <michael.albinus@gmx.de>
 ;; Keywords: comm, processes
diff --git a/lisp/progmodes/elixir-ts-mode.el b/lisp/progmodes/elixir-ts-mode.el
index 62429308d96..b493195eedd 100644
--- a/lisp/progmodes/elixir-ts-mode.el
+++ b/lisp/progmodes/elixir-ts-mode.el
@@ -1,6 +1,6 @@
 ;;; elixir-ts-mode.el --- Major mode for Elixir with tree-sitter support -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2024 Free Software Foundation, Inc.
 
 ;; Author: Wilhelm H Kirschbaum <wkirschbaum@gmail.com>
 ;; Created: November 2022
diff --git a/lisp/progmodes/heex-ts-mode.el b/lisp/progmodes/heex-ts-mode.el
index 5237c767330..7b53a44deb2 100644
--- a/lisp/progmodes/heex-ts-mode.el
+++ b/lisp/progmodes/heex-ts-mode.el
@@ -1,6 +1,6 @@
 ;;; heex-ts-mode.el --- Major mode for Heex with tree-sitter support -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2024 Free Software Foundation, Inc.
 
 ;; Author: Wilhelm H Kirschbaum <wkirschbaum@gmail.com>
 ;; Created: November 2022
diff --git a/lisp/progmodes/lua-ts-mode.el b/lisp/progmodes/lua-ts-mode.el
index cbf0e573e37..3b600f59521 100644
--- a/lisp/progmodes/lua-ts-mode.el
+++ b/lisp/progmodes/lua-ts-mode.el
@@ -1,6 +1,6 @@
 ;;; lua-ts-mode.el --- Major mode for editing Lua files -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Author: John Muhl <jm@pub.pink>
 ;; Created: June 27, 2023
diff --git a/lisp/progmodes/project.el b/lisp/progmodes/project.el
index 79bb3173d3d..a6f14a0865c 100644
--- a/lisp/progmodes/project.el
+++ b/lisp/progmodes/project.el
@@ -1,6 +1,6 @@
 ;;; project.el --- Operations on the current project  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2015-2023 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2024 Free Software Foundation, Inc.
 ;; Version: 0.10.0
 ;; Package-Requires: ((emacs "26.1") (xref "1.4.0"))
 
diff --git a/lisp/term/android-win.el b/lisp/term/android-win.el
index b2cc7b5d040..51163e5b9b2 100644
--- a/lisp/term/android-win.el
+++ b/lisp/term/android-win.el
@@ -1,6 +1,6 @@
 ;;; android-win.el --- terminal set up for Android  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Author: FSF
 ;; Keywords: terminals, i18n, android
diff --git a/lisp/textmodes/html-ts-mode.el b/lisp/textmodes/html-ts-mode.el
index d08d899c815..301f3e8791c 100644
--- a/lisp/textmodes/html-ts-mode.el
+++ b/lisp/textmodes/html-ts-mode.el
@@ -1,6 +1,6 @@
 ;;; html-ts-mode.el --- tree-sitter support for HTML  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Author     : Theodor Thornhill <theo@thornhill.no>
 ;; Maintainer : Theodor Thornhill <theo@thornhill.no>
diff --git a/lisp/touch-screen.el b/lisp/touch-screen.el
index a10bdea8994..c2f8f8068d7 100644
--- a/lisp/touch-screen.el
+++ b/lisp/touch-screen.el
@@ -1,6 +1,6 @@
 ;;; touch-screen.el --- touch screen support for X and Android  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Maintainer: emacs-devel@gnu.org
 ;; Package: emacs
diff --git a/m4/alloca.m4 b/m4/alloca.m4
index c685fac918a..911a003a04f 100644
--- a/m4/alloca.m4
+++ b/m4/alloca.m4
@@ -1,6 +1,6 @@
 # alloca.m4 serial 21
-dnl Copyright (C) 2002-2004, 2006-2007, 2009-2023 Free Software Foundation,
-dnl Inc.
+dnl Copyright (C) 2002-2004, 2006-2007, 2009-2024 Free Software
+dnl Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/clock_time.m4 b/m4/clock_time.m4
index 28534db1c76..369e1412ec6 100644
--- a/m4/clock_time.m4
+++ b/m4/clock_time.m4
@@ -1,5 +1,5 @@
 # clock_time.m4 serial 13
-dnl Copyright (C) 2002-2006, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2006, 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/codeset.m4 b/m4/codeset.m4
index 5804f472e9a..0b01779abc9 100644
--- a/m4/codeset.m4
+++ b/m4/codeset.m4
@@ -1,6 +1,6 @@
 # codeset.m4 serial 5 (gettext-0.18.2)
-dnl Copyright (C) 2000-2002, 2006, 2008-2014, 2016, 2019-2023 Free Software
-dnl Foundation, Inc.
+dnl Copyright (C) 2000-2002, 2006, 2008-2014, 2016, 2019-2024 Free
+dnl Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/dirent_h.m4 b/m4/dirent_h.m4
index b6c189c0d9f..1e55f025d28 100644
--- a/m4/dirent_h.m4
+++ b/m4/dirent_h.m4
@@ -1,5 +1,5 @@
 # dirent_h.m4 serial 20
-dnl Copyright (C) 2008-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/euidaccess.m4 b/m4/euidaccess.m4
index 7429779c152..e3d828f6ca5 100644
--- a/m4/euidaccess.m4
+++ b/m4/euidaccess.m4
@@ -1,5 +1,5 @@
 # euidaccess.m4 serial 17
-dnl Copyright (C) 2002-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/fchmodat.m4 b/m4/fchmodat.m4
index 5356da40bae..9750572a5a3 100644
--- a/m4/fchmodat.m4
+++ b/m4/fchmodat.m4
@@ -1,5 +1,5 @@
 # fchmodat.m4 serial 8
-dnl Copyright (C) 2004-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2004-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/getdelim.m4 b/m4/getdelim.m4
index 60555b9718b..0dbd8bc6f8b 100644
--- a/m4/getdelim.m4
+++ b/m4/getdelim.m4
@@ -1,6 +1,6 @@
 # getdelim.m4 serial 19
 
-dnl Copyright (C) 2005-2007, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2005-2007, 2009-2024 Free Software Foundation, Inc.
 dnl
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/getline.m4 b/m4/getline.m4
index 83e7e9315f6..d0e285dbc9f 100644
--- a/m4/getline.m4
+++ b/m4/getline.m4
@@ -1,7 +1,7 @@
 # getline.m4 serial 33
 
-dnl Copyright (C) 1998-2003, 2005-2007, 2009-2023 Free Software Foundation,
-dnl Inc.
+dnl Copyright (C) 1998-2003, 2005-2007, 2009-2024 Free Software
+dnl Foundation, Inc.
 dnl
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/getloadavg.m4 b/m4/getloadavg.m4
index ee83b32f1e0..d25a594b215 100644
--- a/m4/getloadavg.m4
+++ b/m4/getloadavg.m4
@@ -1,7 +1,7 @@
 # Check for getloadavg.
 
-# Copyright (C) 1992-1996, 1999-2000, 2002-2003, 2006, 2008-2023 Free Software
-# Foundation, Inc.
+# Copyright (C) 1992-1996, 1999-2000, 2002-2003, 2006, 2008-2024 Free
+# Software Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
diff --git a/m4/getrandom.m4 b/m4/getrandom.m4
index 7b7f9ce2ee8..6ddaed2d569 100644
--- a/m4/getrandom.m4
+++ b/m4/getrandom.m4
@@ -1,5 +1,5 @@
 # getrandom.m4 serial 11
-dnl Copyright 2020-2023 Free Software Foundation, Inc.
+dnl Copyright 2020-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/gettime.m4 b/m4/gettime.m4
index ec1f97ee0d5..61fdbb35d46 100644
--- a/m4/gettime.m4
+++ b/m4/gettime.m4
@@ -1,5 +1,6 @@
 # gettime.m4 serial 14
-dnl Copyright (C) 2002, 2004-2006, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2004-2006, 2009-2024 Free Software Foundation,
+dnl Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/gnulib-common.m4 b/m4/gnulib-common.m4
index 2426eb63985..db0c8853d73 100644
--- a/m4/gnulib-common.m4
+++ b/m4/gnulib-common.m4
@@ -1,5 +1,5 @@
 # gnulib-common.m4 serial 87
-dnl Copyright (C) 2007-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/inttypes.m4 b/m4/inttypes.m4
index e7efbe94167..6abf9dbe280 100644
--- a/m4/inttypes.m4
+++ b/m4/inttypes.m4
@@ -1,5 +1,5 @@
 # inttypes.m4 serial 37
-dnl Copyright (C) 2006-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/malloc.m4 b/m4/malloc.m4
index bc580176f5f..770b1ba0ccd 100644
--- a/m4/malloc.m4
+++ b/m4/malloc.m4
@@ -1,5 +1,5 @@
 # malloc.m4 serial 29
-dnl Copyright (C) 2007, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/manywarnings.m4 b/m4/manywarnings.m4
index a06f26f672e..4d44f3aa34d 100644
--- a/m4/manywarnings.m4
+++ b/m4/manywarnings.m4
@@ -1,5 +1,5 @@
 # manywarnings.m4 serial 24
-dnl Copyright (C) 2008-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/mempcpy.m4 b/m4/mempcpy.m4
index 612b77b3c11..375b3b4cda9 100644
--- a/m4/mempcpy.m4
+++ b/m4/mempcpy.m4
@@ -1,6 +1,6 @@
 # mempcpy.m4 serial 14
-dnl Copyright (C) 2003-2004, 2006-2007, 2009-2023 Free Software Foundation,
-dnl Inc.
+dnl Copyright (C) 2003-2004, 2006-2007, 2009-2024 Free Software
+dnl Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/memrchr.m4 b/m4/memrchr.m4
index 7611ac7e3ac..21604f0ef94 100644
--- a/m4/memrchr.m4
+++ b/m4/memrchr.m4
@@ -1,6 +1,6 @@
 # memrchr.m4 serial 11
-dnl Copyright (C) 2002-2003, 2005-2007, 2009-2023 Free Software Foundation,
-dnl Inc.
+dnl Copyright (C) 2002-2003, 2005-2007, 2009-2024 Free Software
+dnl Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/memset_explicit.m4 b/m4/memset_explicit.m4
index 9dcd89a758a..6ac798d4557 100644
--- a/m4/memset_explicit.m4
+++ b/m4/memset_explicit.m4
@@ -1,4 +1,4 @@
-dnl Copyright 2022-2023 Free Software Foundation, Inc.
+dnl Copyright 2022-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/mkostemp.m4 b/m4/mkostemp.m4
index 1b0d0d55946..1c22b8d51b4 100644
--- a/m4/mkostemp.m4
+++ b/m4/mkostemp.m4
@@ -1,5 +1,5 @@
 # mkostemp.m4 serial 4
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/mktime.m4 b/m4/mktime.m4
index 69cce86da5a..a4aeb9f76ba 100644
--- a/m4/mktime.m4
+++ b/m4/mktime.m4
@@ -1,6 +1,6 @@
 # serial 38
-dnl Copyright (C) 2002-2003, 2005-2007, 2009-2023 Free Software Foundation,
-dnl Inc.
+dnl Copyright (C) 2002-2003, 2005-2007, 2009-2024 Free Software
+dnl Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/musl.m4 b/m4/musl.m4
index e28a3fed677..34d2c1ff22a 100644
--- a/m4/musl.m4
+++ b/m4/musl.m4
@@ -1,5 +1,5 @@
 # musl.m4 serial 4
-dnl Copyright (C) 2019-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2019-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/ndk-build.m4 b/m4/ndk-build.m4
index ab4e88ca168..aacb2ed048b 100644
--- a/m4/ndk-build.m4
+++ b/m4/ndk-build.m4
@@ -1,4 +1,4 @@
-dnl Copyright (C) 2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2023-2024 Free Software Foundation, Inc.
 dnl This file is part of GNU Emacs.
 
 dnl GNU Emacs is free software: you can redistribute it and/or modify
diff --git a/m4/nproc.m4 b/m4/nproc.m4
index c892ad74b7d..e4065776a86 100644
--- a/m4/nproc.m4
+++ b/m4/nproc.m4
@@ -1,5 +1,5 @@
 # nproc.m4 serial 6
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/pathmax.m4 b/m4/pathmax.m4
index 6d47d2c026e..b7ce9ff1468 100644
--- a/m4/pathmax.m4
+++ b/m4/pathmax.m4
@@ -1,6 +1,6 @@
 # pathmax.m4 serial 11
-dnl Copyright (C) 2002-2003, 2005-2006, 2009-2023 Free Software Foundation,
-dnl Inc.
+dnl Copyright (C) 2002-2003, 2005-2006, 2009-2024 Free Software
+dnl Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/pipe2.m4 b/m4/pipe2.m4
index 79de69cd1a4..74b7b284b3e 100644
--- a/m4/pipe2.m4
+++ b/m4/pipe2.m4
@@ -1,5 +1,5 @@
 # pipe2.m4 serial 4
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/printf-posix-rpl.m4 b/m4/printf-posix-rpl.m4
index 36156d43502..0f741192499 100644
--- a/m4/printf-posix-rpl.m4
+++ b/m4/printf-posix-rpl.m4
@@ -1,5 +1,5 @@
 # printf-posix-rpl.m4 serial 4
-dnl Copyright (C) 2007-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/pselect.m4 b/m4/pselect.m4
index 6c3d1b8f97f..005b722b965 100644
--- a/m4/pselect.m4
+++ b/m4/pselect.m4
@@ -1,5 +1,5 @@
 # pselect.m4 serial 11
-dnl Copyright (C) 2011-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2011-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/pthread_sigmask.m4 b/m4/pthread_sigmask.m4
index 27795282bee..81be9611db2 100644
--- a/m4/pthread_sigmask.m4
+++ b/m4/pthread_sigmask.m4
@@ -1,5 +1,5 @@
 # pthread_sigmask.m4 serial 22
-dnl Copyright (C) 2011-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2011-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/readlink.m4 b/m4/readlink.m4
index f1d41d2b113..6d78ec84a03 100644
--- a/m4/readlink.m4
+++ b/m4/readlink.m4
@@ -1,5 +1,5 @@
 # readlink.m4 serial 17
-dnl Copyright (C) 2003, 2007, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2003, 2007, 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/readutmp.m4 b/m4/readutmp.m4
index 0a47f4bb77d..d458a8b554a 100644
--- a/m4/readutmp.m4
+++ b/m4/readutmp.m4
@@ -1,5 +1,5 @@
 # readutmp.m4 serial 30
-dnl Copyright (C) 2002-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/realloc.m4 b/m4/realloc.m4
index 26053914cbe..7c769644a6e 100644
--- a/m4/realloc.m4
+++ b/m4/realloc.m4
@@ -1,5 +1,5 @@
 # realloc.m4 serial 27
-dnl Copyright (C) 2007, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/ssize_t.m4 b/m4/ssize_t.m4
index 52bd77d2aeb..65c96fcf56b 100644
--- a/m4/ssize_t.m4
+++ b/m4/ssize_t.m4
@@ -1,5 +1,6 @@
 # ssize_t.m4 serial 6
-dnl Copyright (C) 2001-2003, 2006, 2010-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2001-2003, 2006, 2010-2024 Free Software Foundation,
+dnl Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/stat-time.m4 b/m4/stat-time.m4
index 40993d5731c..7535a4c7e5c 100644
--- a/m4/stat-time.m4
+++ b/m4/stat-time.m4
@@ -1,7 +1,7 @@
 # Checks for stat-related time functions.
 
-# Copyright (C) 1998-1999, 2001, 2003, 2005-2007, 2009-2023 Free Software
-# Foundation, Inc.
+# Copyright (C) 1998-1999, 2001, 2003, 2005-2007, 2009-2024 Free
+# Software Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
diff --git a/m4/stddef_h.m4 b/m4/stddef_h.m4
index aa012219fcd..1bf9eb39b66 100644
--- a/m4/stddef_h.m4
+++ b/m4/stddef_h.m4
@@ -1,5 +1,5 @@
 # stddef_h.m4 serial 14
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/stdint.m4 b/m4/stdint.m4
index b9f764d4c1c..8c0d430c042 100644
--- a/m4/stdint.m4
+++ b/m4/stdint.m4
@@ -1,5 +1,5 @@
 # stdint.m4 serial 62
-dnl Copyright (C) 2001-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2001-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/stdio_h.m4 b/m4/stdio_h.m4
index dbfa0d5d61b..c19feefe717 100644
--- a/m4/stdio_h.m4
+++ b/m4/stdio_h.m4
@@ -1,5 +1,5 @@
 # stdio_h.m4 serial 63
-dnl Copyright (C) 2007-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/stdlib_h.m4 b/m4/stdlib_h.m4
index f47c1eb37b3..bd6ef381c69 100644
--- a/m4/stdlib_h.m4
+++ b/m4/stdlib_h.m4
@@ -1,5 +1,5 @@
 # stdlib_h.m4 serial 75
-dnl Copyright (C) 2007-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/stpcpy.m4 b/m4/stpcpy.m4
index f3acbee7be9..04c8bbe4c94 100644
--- a/m4/stpcpy.m4
+++ b/m4/stpcpy.m4
@@ -1,5 +1,5 @@
 # stpcpy.m4 serial 11
-dnl Copyright (C) 2002, 2007, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2007, 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/strnlen.m4 b/m4/strnlen.m4
index d2cac59b6f2..16b351a3d41 100644
--- a/m4/strnlen.m4
+++ b/m4/strnlen.m4
@@ -1,6 +1,6 @@
 # strnlen.m4 serial 14
-dnl Copyright (C) 2002-2003, 2005-2007, 2009-2023 Free Software Foundation,
-dnl Inc.
+dnl Copyright (C) 2002-2003, 2005-2007, 2009-2024 Free Software
+dnl Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/strtoll.m4 b/m4/strtoll.m4
index a0cbc805bc9..5ba266f7687 100644
--- a/m4/strtoll.m4
+++ b/m4/strtoll.m4
@@ -1,5 +1,6 @@
 # strtoll.m4 serial 11
-dnl Copyright (C) 2002, 2004, 2006, 2008-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2004, 2006, 2008-2024 Free Software Foundation,
+dnl Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/timegm.m4 b/m4/timegm.m4
index 6da07807698..84336043e5d 100644
--- a/m4/timegm.m4
+++ b/m4/timegm.m4
@@ -1,5 +1,5 @@
 # timegm.m4 serial 16
-dnl Copyright (C) 2003, 2007, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2003, 2007, 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/timer_time.m4 b/m4/timer_time.m4
index 437d1dc5428..10b7654d30f 100644
--- a/m4/timer_time.m4
+++ b/m4/timer_time.m4
@@ -1,5 +1,5 @@
 # timer_time.m4 serial 6
-dnl Copyright (C) 2011-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2011-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/unistd_h.m4 b/m4/unistd_h.m4
index 1c96158155a..3a1cacaef55 100644
--- a/m4/unistd_h.m4
+++ b/m4/unistd_h.m4
@@ -1,5 +1,5 @@
 # unistd_h.m4 serial 94
-dnl Copyright (C) 2006-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/warnings.m4 b/m4/warnings.m4
index 9433cb523bf..6c97ef194e4 100644
--- a/m4/warnings.m4
+++ b/m4/warnings.m4
@@ -1,5 +1,5 @@
 # warnings.m4 serial 19
-dnl Copyright (C) 2008-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/xattr.m4 b/m4/xattr.m4
index 70bf0db4419..7f72a81eeab 100644
--- a/m4/xattr.m4
+++ b/m4/xattr.m4
@@ -1,7 +1,7 @@
 # xattr.m4 - check for Extended Attributes (Linux)
 # serial 7
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
diff --git a/src/android-asset.h b/src/android-asset.h
index d7cf0f0cfed..a6b5aa3366c 100644
--- a/src/android-asset.h
+++ b/src/android-asset.h
@@ -1,6 +1,6 @@
 /* Android initialization for GNU Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/android-emacs.c b/src/android-emacs.c
index 2c405795860..5a43445612a 100644
--- a/src/android-emacs.c
+++ b/src/android-emacs.c
@@ -1,6 +1,6 @@
 /* Android initialization for GNU Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/android.c b/src/android.c
index 7a393f8f56d..757f256c188 100644
--- a/src/android.c
+++ b/src/android.c
@@ -1,6 +1,6 @@
 /* Android initialization for GNU Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/android.h b/src/android.h
index 12f9472836f..1059933d339 100644
--- a/src/android.h
+++ b/src/android.h
@@ -1,6 +1,6 @@
 /* Android initialization for GNU Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/androidfns.c b/src/androidfns.c
index 14561afe29a..bf8ab5b45cc 100644
--- a/src/androidfns.c
+++ b/src/androidfns.c
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/androidfont.c b/src/androidfont.c
index 9a1bf5652fc..5fd3018b6d4 100644
--- a/src/androidfont.c
+++ b/src/androidfont.c
@@ -1,6 +1,6 @@
 /* Android fallback font driver.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/androidgui.h b/src/androidgui.h
index 5fab5023ba4..69efd393d55 100644
--- a/src/androidgui.h
+++ b/src/androidgui.h
@@ -1,5 +1,5 @@
 /* Android window system support.
-   Copyright (C) 2023 Free Software Foundation, Inc.
+   Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/androidmenu.c b/src/androidmenu.c
index 1f4d91b527d..1728ae81e42 100644
--- a/src/androidmenu.c
+++ b/src/androidmenu.c
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/androidselect.c b/src/androidselect.c
index e7a6ee258a8..3ba3058aeb9 100644
--- a/src/androidselect.c
+++ b/src/androidselect.c
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/androidterm.c b/src/androidterm.c
index c3a04fd3cfb..2e4ee64f390 100644
--- a/src/androidterm.c
+++ b/src/androidterm.c
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/androidterm.h b/src/androidterm.h
index 9830cc4364d..7568055a20b 100644
--- a/src/androidterm.h
+++ b/src/androidterm.h
@@ -1,6 +1,6 @@
 /* Communication module for Android terminals.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/androidvfs.c b/src/androidvfs.c
index 3b7fb731e86..3377683c84f 100644
--- a/src/androidvfs.c
+++ b/src/androidvfs.c
@@ -1,6 +1,6 @@
 /* Android virtual file-system support for GNU Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/sfnt.c b/src/sfnt.c
index deafaec31e7..ead41b89025 100644
--- a/src/sfnt.c
+++ b/src/sfnt.c
@@ -1,6 +1,6 @@
 /* TrueType format font support for GNU Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/sfnt.h b/src/sfnt.h
index 8f6d6bf427b..2b92f9f540a 100644
--- a/src/sfnt.h
+++ b/src/sfnt.h
@@ -1,6 +1,6 @@
 /* sfnt format font support for GNU Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/sfntfont-android.c b/src/sfntfont-android.c
index e49615210eb..9ead43a9c5d 100644
--- a/src/sfntfont-android.c
+++ b/src/sfntfont-android.c
@@ -1,6 +1,6 @@
 /* sfnt format font driver for Android.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/sfntfont.c b/src/sfntfont.c
index 04caf77e72a..1ad41deac70 100644
--- a/src/sfntfont.c
+++ b/src/sfntfont.c
@@ -1,6 +1,6 @@
 /* sfnt format font driver for GNU Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/sfntfont.h b/src/sfntfont.h
index 28267cdb1d6..0e57ee35028 100644
--- a/src/sfntfont.h
+++ b/src/sfntfont.h
@@ -1,6 +1,6 @@
 /* sfnt format font driver for GNU Emacs.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/textconv.c b/src/textconv.c
index fb1c66bb2c2..2a7b0ed330d 100644
--- a/src/textconv.c
+++ b/src/textconv.c
@@ -1,6 +1,6 @@
 /* String conversion support for graphics terminals.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/src/textconv.h b/src/textconv.h
index c677c07e9aa..61f13ebcb43 100644
--- a/src/textconv.h
+++ b/src/textconv.h
@@ -1,6 +1,6 @@
 /* String conversion support for graphics terminals.
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
diff --git a/test/lisp/completion-preview-tests.el b/test/lisp/completion-preview-tests.el
index b5518e96254..190764e9125 100644
--- a/test/lisp/completion-preview-tests.el
+++ b/test/lisp/completion-preview-tests.el
@@ -1,6 +1,6 @@
 ;;; completion-preview-tests.el --- tests for completion-preview.el -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/emacs-lisp/byte-run-tests.el b/test/lisp/emacs-lisp/byte-run-tests.el
index 59ce24ad251..6180022f198 100644
--- a/test/lisp/emacs-lisp/byte-run-tests.el
+++ b/test/lisp/emacs-lisp/byte-run-tests.el
@@ -1,6 +1,6 @@
 ;;; byte-run-tests.el --- Tests for byte-run.el  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/emacs-lisp/ert-font-lock-tests.el b/test/lisp/emacs-lisp/ert-font-lock-tests.el
index 33ef0c6eede..e0ba1e949b2 100644
--- a/test/lisp/emacs-lisp/ert-font-lock-tests.el
+++ b/test/lisp/emacs-lisp/ert-font-lock-tests.el
@@ -1,6 +1,6 @@
 ;;; ert-font-lock-tests.el --- ERT Font Lock tests  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Author: Vladimir Kazanov
 
diff --git a/test/lisp/erc/erc-button-tests.el b/test/lisp/erc/erc-button-tests.el
index be11b76bd2e..ba6fe9fd8c1 100644
--- a/test/lisp/erc/erc-button-tests.el
+++ b/test/lisp/erc/erc-button-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-button-tests.el --- Tests for erc-button  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/erc/erc-fill-tests.el b/test/lisp/erc/erc-fill-tests.el
index df83466cbc3..0f19b481f37 100644
--- a/test/lisp/erc/erc-fill-tests.el
+++ b/test/lisp/erc/erc-fill-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-fill-tests.el --- Tests for erc-fill  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/erc/erc-goodies-tests.el b/test/lisp/erc/erc-goodies-tests.el
index bdd197fa5cb..b8e00c57ef5 100644
--- a/test/lisp/erc/erc-goodies-tests.el
+++ b/test/lisp/erc/erc-goodies-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-goodies-tests.el --- Tests for erc-goodies  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/erc/erc-nicks-tests.el b/test/lisp/erc/erc-nicks-tests.el
index 54882278139..08080d249d5 100644
--- a/test/lisp/erc/erc-nicks-tests.el
+++ b/test/lisp/erc/erc-nicks-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-nicks-tests.el --- Tests for erc-nicks  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-attach.el b/test/lisp/erc/erc-scenarios-base-attach.el
index 29f5bd2ddd8..dcd16ed6bca 100644
--- a/test/lisp/erc/erc-scenarios-base-attach.el
+++ b/test/lisp/erc/erc-scenarios-base-attach.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-attach.el --- Reattach scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-auto-recon.el b/test/lisp/erc/erc-scenarios-base-auto-recon.el
index 40e2c23408b..808b1d8c4d4 100644
--- a/test/lisp/erc/erc-scenarios-base-auto-recon.el
+++ b/test/lisp/erc/erc-scenarios-base-auto-recon.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-auto-recon.el --- auto-recon scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-buffer-display.el b/test/lisp/erc/erc-scenarios-base-buffer-display.el
index 889f274b8b1..5c3c526f86d 100644
--- a/test/lisp/erc/erc-scenarios-base-buffer-display.el
+++ b/test/lisp/erc/erc-scenarios-base-buffer-display.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-buffer-display.el --- Buffer display scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-chan-modes.el b/test/lisp/erc/erc-scenarios-base-chan-modes.el
index 9c63d8aff8e..73fba65acf4 100644
--- a/test/lisp/erc/erc-scenarios-base-chan-modes.el
+++ b/test/lisp/erc/erc-scenarios-base-chan-modes.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-chan-modes.el --- Channel mode scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-local-module-modes.el b/test/lisp/erc/erc-scenarios-base-local-module-modes.el
index 7b91e28dc83..a3612070f7e 100644
--- a/test/lisp/erc/erc-scenarios-base-local-module-modes.el
+++ b/test/lisp/erc/erc-scenarios-base-local-module-modes.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-local-module-modes.el --- More local-mod ERC tests -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-send-message.el b/test/lisp/erc/erc-scenarios-base-send-message.el
index bf9e0f5ae3a..729c94f5ab7 100644
--- a/test/lisp/erc/erc-scenarios-base-send-message.el
+++ b/test/lisp/erc/erc-scenarios-base-send-message.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-send-message.el --- `send-message' scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-split-line.el b/test/lisp/erc/erc-scenarios-base-split-line.el
index f6d888c1f28..dee5950f8ef 100644
--- a/test/lisp/erc/erc-scenarios-base-split-line.el
+++ b/test/lisp/erc/erc-scenarios-base-split-line.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-split-line.el --- ERC line splitting -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-base-statusmsg.el b/test/lisp/erc/erc-scenarios-base-statusmsg.el
index 80582e0cf80..480ba7fa8d0 100644
--- a/test/lisp/erc/erc-scenarios-base-statusmsg.el
+++ b/test/lisp/erc/erc-scenarios-base-statusmsg.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-base-statusmsg.el --- statusmsg tests -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-display-message.el b/test/lisp/erc/erc-scenarios-display-message.el
index 91b82889f3e..8e9c355576e 100644
--- a/test/lisp/erc/erc-scenarios-display-message.el
+++ b/test/lisp/erc/erc-scenarios-display-message.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-display-message.el --- erc-display-message -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-join-display-context.el b/test/lisp/erc/erc-scenarios-join-display-context.el
index 32b782d2af1..84297de7acd 100644
--- a/test/lisp/erc/erc-scenarios-join-display-context.el
+++ b/test/lisp/erc/erc-scenarios-join-display-context.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-join-display-context.el --- buffer-display autojoin ctx -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-keep-place-indicator.el b/test/lisp/erc/erc-scenarios-keep-place-indicator.el
index 8ebef5404c1..b8ff59f4e02 100644
--- a/test/lisp/erc/erc-scenarios-keep-place-indicator.el
+++ b/test/lisp/erc/erc-scenarios-keep-place-indicator.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-keep-place-indicator.el --- erc-keep-place-indicator-mode -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-log.el b/test/lisp/erc/erc-scenarios-log.el
index cff88d59c85..3c738822f96 100644
--- a/test/lisp/erc/erc-scenarios-log.el
+++ b/test/lisp/erc/erc-scenarios-log.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-log.el --- erc-log scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-match.el b/test/lisp/erc/erc-scenarios-match.el
index b18c0a4bd17..22e34a8efe8 100644
--- a/test/lisp/erc/erc-scenarios-match.el
+++ b/test/lisp/erc/erc-scenarios-match.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-match.el --- Misc `erc-match' scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-misc-commands.el b/test/lisp/erc/erc-scenarios-misc-commands.el
index b96782cf29c..d6ed53b5358 100644
--- a/test/lisp/erc/erc-scenarios-misc-commands.el
+++ b/test/lisp/erc/erc-scenarios-misc-commands.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-misc-commands.el --- Misc commands for ERC -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-prompt-format.el b/test/lisp/erc/erc-scenarios-prompt-format.el
index 7eccb859dbc..613ad87ccf5 100644
--- a/test/lisp/erc/erc-scenarios-prompt-format.el
+++ b/test/lisp/erc/erc-scenarios-prompt-format.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-prompt-format.el --- erc-prompt-format-mode -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-scrolltobottom-relaxed.el b/test/lisp/erc/erc-scenarios-scrolltobottom-relaxed.el
index e99a05526f3..c7260500b7d 100644
--- a/test/lisp/erc/erc-scenarios-scrolltobottom-relaxed.el
+++ b/test/lisp/erc/erc-scenarios-scrolltobottom-relaxed.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-scrolltobottom-relaxed.el --- erc-scrolltobottom-all relaxed -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-scrolltobottom.el b/test/lisp/erc/erc-scenarios-scrolltobottom.el
index 25b5c09577f..d35d3654cd5 100644
--- a/test/lisp/erc/erc-scenarios-scrolltobottom.el
+++ b/test/lisp/erc/erc-scenarios-scrolltobottom.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-scrolltobottom.el --- erc-scrolltobottom-mode -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-stamp.el b/test/lisp/erc/erc-scenarios-stamp.el
index e4788f78654..3a10f709548 100644
--- a/test/lisp/erc/erc-scenarios-stamp.el
+++ b/test/lisp/erc/erc-scenarios-stamp.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-stamp.el --- Misc `erc-stamp' scenarios -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-scenarios-status-sidebar.el b/test/lisp/erc/erc-scenarios-status-sidebar.el
index d447817e307..2523ff9ee46 100644
--- a/test/lisp/erc/erc-scenarios-status-sidebar.el
+++ b/test/lisp/erc/erc-scenarios-status-sidebar.el
@@ -1,6 +1,6 @@
 ;;; erc-scenarios-status-sidebar.el --- erc-sidebar/speedbar tests -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/erc/erc-stamp-tests.el b/test/lisp/erc/erc-stamp-tests.el
index 3f17e36e002..ef292ccb618 100644
--- a/test/lisp/erc/erc-stamp-tests.el
+++ b/test/lisp/erc/erc-stamp-tests.el
@@ -1,6 +1,6 @@
 ;;; erc-stamp-tests.el --- Tests for erc-stamp.  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/test/lisp/erc/resources/erc-tests-common.el b/test/lisp/erc/resources/erc-tests-common.el
index 20b3a56facc..fc5649798b5 100644
--- a/test/lisp/erc/resources/erc-tests-common.el
+++ b/test/lisp/erc/resources/erc-tests-common.el
@@ -1,6 +1,6 @@
 ;;; erc-tests-common.el --- Common helpers for ERC tests -*- lexical-binding: t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/eshell/em-cmpl-tests.el b/test/lisp/eshell/em-cmpl-tests.el
index dd3c338ac54..13e42ffac88 100644
--- a/test/lisp/eshell/em-cmpl-tests.el
+++ b/test/lisp/eshell/em-cmpl-tests.el
@@ -1,6 +1,6 @@
 ;;; em-cmpl-tests.el --- em-cmpl test suite  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/eshell/em-prompt-tests.el b/test/lisp/eshell/em-prompt-tests.el
index 46e74e64983..964609e6410 100644
--- a/test/lisp/eshell/em-prompt-tests.el
+++ b/test/lisp/eshell/em-prompt-tests.el
@@ -1,6 +1,6 @@
 ;;; em-prompt-tests.el --- em-prompt test suite  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/eshell/em-unix-tests.el b/test/lisp/eshell/em-unix-tests.el
index d7b6c55fe45..a92c7d3f80a 100644
--- a/test/lisp/eshell/em-unix-tests.el
+++ b/test/lisp/eshell/em-unix-tests.el
@@ -1,6 +1,6 @@
 ;;; em-unix-tests.el --- em-unix test suite  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/eshell/eshell-tests-unload.el b/test/lisp/eshell/eshell-tests-unload.el
index cdd58efef18..bf8291ba47a 100644
--- a/test/lisp/eshell/eshell-tests-unload.el
+++ b/test/lisp/eshell/eshell-tests-unload.el
@@ -1,6 +1,6 @@
 ;;; eshell-tests-unload.el --- test unloading Eshell  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/proced-tests.el b/test/lisp/proced-tests.el
index 58d97f46c4f..6f16a241146 100644
--- a/test/lisp/proced-tests.el
+++ b/test/lisp/proced-tests.el
@@ -1,6 +1,6 @@
 ;;; proced-tests.el --- Test suite for proced.el -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022-2023 Free Software Foundation, Inc.
+;; Copyright (C) 2022-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/progmodes/elixir-ts-mode-tests.el b/test/lisp/progmodes/elixir-ts-mode-tests.el
index 488fc1b646f..109030a4476 100644
--- a/test/lisp/progmodes/elixir-ts-mode-tests.el
+++ b/test/lisp/progmodes/elixir-ts-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; elixir-ts-mode-tests.el --- Tests for elixir-ts-mode         -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/progmodes/heex-ts-mode-tests.el b/test/lisp/progmodes/heex-ts-mode-tests.el
index def6d845de9..7f9c0bf272c 100644
--- a/test/lisp/progmodes/heex-ts-mode-tests.el
+++ b/test/lisp/progmodes/heex-ts-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; heex-ts-mode-tests.el --- Tests for heex-ts-mode         -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/progmodes/lua-ts-mode-tests.el b/test/lisp/progmodes/lua-ts-mode-tests.el
index 8a566d777e3..565e6f91dbd 100644
--- a/test/lisp/progmodes/lua-ts-mode-tests.el
+++ b/test/lisp/progmodes/lua-ts-mode-tests.el
@@ -1,6 +1,6 @@
 ;;; lua-ts-mode-tests.el --- Tests for lua-ts-mode -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
 
diff --git a/test/lisp/progmodes/which-func-tests.el b/test/lisp/progmodes/which-func-tests.el
index 73709f1c5e5..0baee576463 100644
--- a/test/lisp/progmodes/which-func-tests.el
+++ b/test/lisp/progmodes/which-func-tests.el
@@ -1,6 +1,6 @@
 ;;; which-func-tests.el --- tests for which-func     -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Author: Spencer Baugh <sbaugh@catern.com>
 
diff --git a/test/lisp/uniquify-tests.el b/test/lisp/uniquify-tests.el
index 38510c3bd77..4124ce056d3 100644
--- a/test/lisp/uniquify-tests.el
+++ b/test/lisp/uniquify-tests.el
@@ -1,6 +1,6 @@
 ;;; uniquify-tests.el --- Tests for uniquify         -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Author: Spencer Baugh <sbaugh@janestreet.com>
 
diff --git a/test/lisp/vc/vc-cvs-tests.el b/test/lisp/vc/vc-cvs-tests.el
index 473ac69e24c..f6fa7a81a1a 100644
--- a/test/lisp/vc/vc-cvs-tests.el
+++ b/test/lisp/vc/vc-cvs-tests.el
@@ -1,6 +1,6 @@
 ;;; vc-cvs-tests.el --- tests for vc/vc-cvs.el  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Author: Olivier Certner <olce.emacs@certner.fr>
 ;; Maintainer: emacs-devel@gnu.org
diff --git a/test/src/comp-resources/comp-test-funcs-dyn2.el b/test/src/comp-resources/comp-test-funcs-dyn2.el
index 3d70489d1ca..101674f74ce 100644
--- a/test/src/comp-resources/comp-test-funcs-dyn2.el
+++ b/test/src/comp-resources/comp-test-funcs-dyn2.el
@@ -1,6 +1,6 @@
 ;;; comp-test-funcs-dyn2.el -*- lexical-binding: nil; no-byte-compile: t; -*-
 
-;; Copyright (C) 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 ;; Author: Alan Mackenzie <acm@muc.de>